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