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