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