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