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