One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,6)(4,7)(5,8)(18,20)(22,24) involution — undirected(1,3)(2,5)(4,8)(6,7)(9,10)(11,16)(12,14)(13,15)(19,23)(22,24) involution — undirected(9,11,13,14)(10,12,15,16)(17,18,21,20)(19,22,23,24)(1,2,4,7)(3,6,8,5)(9,12,13,16)(10,11,15,14)(17,19)(18,22)(20,24)(21,23)(1,3)(2,6)(4,8)(5,7)(9,10)(11,12)(13,15)(14,16)(17,20,21,18)(19,24,23,22)(1,2)(3,5)(4,7)(6,8)(9,12)(10,14)(11,15)(13,16) 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.