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