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