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