One vertex per element, one color per generator, with an edge from x to x·s.
(1,2) involution — undirected(4,6)(7,8)(9,13)(10,12)(11,14)(15,16)(17,20)(18,21)(19,22)(23,30)(24,28)(25,27)(26,29) involution — undirected(7,9,10,14)(8,11,12,13)(15,17,19,25,18,24,26,23)(16,20,22,27,21,28,29,30)(3,4,5,6)(16,21)(17,23)(19,26)(20,27)(24,25)(28,30)(8,12)(11,13) 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.