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