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