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