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