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