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