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