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)(11,15)(12,13)(14,16)(17,18,21,20)(19,23,24,22)(1,3,6,4)(2,7,8,5)(17,19,21,24)(18,22,20,23)(2,8)(3,4)(10,13)(14,15) involution — undirected(1,2,6,8)(3,7,4,5)(9,10)(11,14)(12,13)(15,16)(1,4,6,3)(2,5,8,7)(9,11)(10,14)(12,16)(13,15)(17,20,21,18)(19,23,24,22)(1,5)(2,3)(4,8)(6,7) 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.