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