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