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