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