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