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