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