One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,7)(3,6,4,8)(9,10)(11,14)(12,16)(13,15)(17,18,23,22)(19,24,28,30)(20,21,25,29)(26,31,32,27)(1,3,5,4)(2,6,7,8)(9,11,14,10)(12,16,13,15)(17,19,23,28)(18,24,22,30)(20,27,25,31)(21,26,29,32)(2,7)(6,8)(9,12,14,13)(10,15,11,16)(17,20)(18,21)(19,26)(22,29)(23,25)(24,31)(27,30)(28,32)(9,12,14,13)(10,15,11,16)(20,25)(21,29)(26,32)(27,31)(1,4,5,3)(2,8,7,6)(9,13,14,12)(10,15,11,16)(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.