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