One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(9,10)(11,14)(12,15)(13,16)(17,18,23,22)(19,24,28,30)(20,21,25,29)(26,31,32,27)(1,2,4,5)(3,6,7,8)(9,11,13,12)(10,14,16,15)(17,19,23,28)(18,24,22,30)(20,27,25,31)(21,26,29,32)(9,11,13,12)(10,15,16,14)(17,20)(18,21)(19,26)(22,29)(23,25)(24,31)(27,30)(28,32)(1,3,4,7)(2,6,5,8)(17,18,23,22)(19,24,28,30)(20,29,25,21)(26,27,32,31)(2,5)(6,8)(9,12,13,11)(10,15,16,14)(17,21,23,29)(18,25,22,20)(19,27,28,31)(24,26,30,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.