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