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