If I was auditioning (which I am not), I would think about
Bach: Partita no. 6, 1st mvt, with that amazing fugue.
Beethoven: Appasionta....I know you say its common, and yes it is, but play it in your own way and it will be fine. It got me through allmy college auditions because iplayed itmy own way, the way i felt it should be. I didn;t listen to any recordings for months, so i developed my own way, and they complemented it in my auditions. BUT... don;t go out your way to play differently, just do what comes naturally.
Chopin: F minor ballade perhaps, very musically difficult, but must feel easy technically to make it work. In fact the F minor ballade is one of the most musically difficult piece ever, and I have gathered that people have very stong opinions on it soperhaps not good choice unless very confident. E major scherzo is good, most people will decide to do others but E najor in my opinion is the greatest scherzo. You could always do B minor sonata, that would be good.
Free choice: I would pick something really different here, something thatreally shows off your strengths. Lots of great stuff to pick from, that I'm sure not many people will play. Barber sonata... Stravinsky petroucka.. them would be my choices
Etude: Liszt transcendental, big chopin etude. Scriabin etudes,any big one. Or to be different and szymanowsky etude, Or an Alkan etude, which are very very very hard.
Hope that gives you some thoughts
