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