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