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