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