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