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