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