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