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