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