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