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