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