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