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