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