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