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