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