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