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