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