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)(17,18)(19,22)(20,21)(23,24)(25,26)(27,31)(28,32)(29,30)(1,3,6,4)(2,7,8,5)(11,16)(13,15)(18,21)(22,23)(26,30)(27,32)(9,11)(10,13)(12,16)(14,15)(17,18)(19,22)(20,21)(23,24)(25,27,29,32)(26,31,30,28)(1,4,6,3)(2,5,8,7)(9,11)(10,13)(12,16)(14,15)(17,19,20,24)(18,22,21,23)(25,28)(26,27)(29,31)(30,32)(1,5)(2,4)(3,8)(6,7)(9,10)(11,13)(12,14)(15,16)(17,18)(19,23)(20,21)(22,24)(25,26)(27,31)(28,32)(29,30) 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.