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