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