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