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)(15,16,20,22,18,23,19,24)(17,25,28,30,26,21,27,29)(3,4)(5,6)(7,9,11,8)(10,13,14,12)(15,17)(16,21)(18,26)(19,27)(20,28)(22,29)(23,25)(24,30)(4,6)(7,10,11,14)(8,12,9,13)(16,22)(19,20)(21,29)(23,24)(25,30)(27,28)(8,9)(12,13)(16,22)(17,26)(19,20)(21,30)(23,24)(25,29) involution — undirectedA 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.