One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(13,14,19,27,18,21,17,22)(15,20,28,25,23,16,24,26)(1,2,3,4)(5,6)(7,10)(8,9)(11,12)(13,15)(14,20)(16,21)(17,24)(18,23)(19,28)(22,26)(25,27)(6,9)(10,12)(13,16,18,20)(14,15,21,23)(17,26,19,25)(22,28,27,24)(5,7)(6,10)(8,11)(9,12)(14,21)(15,23)(22,27)(24,28) involution — undirected(7,11)(10,12)(14,21)(15,23)(22,27)(24,28) 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.