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