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