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