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