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