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