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