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