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