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