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