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