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