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