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