This will sound really good once you get used to playing the whole thing through. When I used to belt it out years ago, probably couldn't now, I used to play those little groups of 32nd notes (starting bar 7 first page and the similar section two pages later) in another way. Instead of using a full five finger grip, you can deliberately separate the group of four 32nd notes from the quaver by using the fingering (1234)(3) right hand, (4321)(3), which gives a completely different detached effect, emphasising the rhythmic groups of five. This is actually suggested in the Schirmer edition. My teacher played it as you do, using full hand grips, and didn't like my doing it, but I used to like that rhythm in fives. Just preference I guess.