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)(21,29)(22,23)(25,32)(27,28)(30,31)(33,34) involution — undirected(3,5,7,13)(4,8,10,11)(6,14,15,12)(9,17,18,16)(19,20)(21,25)(22,27)(23,28)(24,26)(29,32)(30,33)(31,34)(3,6,7,15)(4,9,10,18)(5,12,13,14)(8,16,11,17)(19,21)(20,25)(22,29)(23,31)(24,30)(26,33)(27,32)(28,34)(4,10)(8,11)(9,18)(16,17)(20,26)(25,33)(27,28)(32,34) involution — undirected(19,22,24,23)(20,27,26,28)(21,29,30,31)(25,32,33,34)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.