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