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