One vertex per element, one color per generator, with an edge from x to x·s.
(1,2) involution — undirected(3,4)(5,13)(6,15)(7,10)(8,11)(9,12)(14,17)(16,18)(19,20,24,27)(21,28,30,33)(22,26,23,31)(25,32,34,29)(3,5)(4,6)(7,14)(8,15)(9,16)(10,13)(11,18)(12,17)(19,21)(20,25)(22,29)(23,32)(24,30)(26,33)(27,34)(28,31) involution — undirected(3,6)(4,5)(7,13)(8,18)(9,17)(10,14)(11,15)(12,16)(19,20)(21,25)(22,26)(23,31)(24,27)(28,32)(29,33)(30,34) involution — undirected(3,7,9,8)(4,10,12,11)(5,14,16,15)(6,13,17,18)(19,22,24,23)(20,26,27,31)(21,29,30,32)(25,33,34,28)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.