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)(10,11)(12,14)(15,16,20,23,19,22,24,17)(18,26,28,25,27,21,29,30)(3,4,5,6)(8,11)(12,13)(15,17,24,22,19,23,20,16)(18,25,29,26,27,30,28,21)(7,9,10,14)(8,12,11,13)(15,18,19,27)(16,21,22,26)(17,25,23,30)(20,28,24,29)(18,27)(21,26)(25,30)(28,29) 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.