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