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