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