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