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