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)(19,24)(20,22)(21,23) involution — undirected(2,6)(5,8)(10,15)(12,22)(13,24)(16,23)(17,21)(18,19) involution — undirected(1,2)(3,8)(4,6)(5,7)(9,11)(10,16)(12,19)(13,21)(14,20)(15,23)(17,24)(18,22) involution — undirected(9,12,14,23)(10,17,18,21)(11,19,20,15)(13,16,24,22)(10,18)(11,20)(15,19)(17,21) 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.