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