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