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