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