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