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