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