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