One vertex per element, one color per generator, with an edge from x to x·s.
(2,3)(5,6,10,18,9,12,8,13)(7,14,17,11,16,20,15,19)(21,22,25,28,26,29,24,30)(23,27,33,35,32,36,31,34)(1,2,4,3)(21,23,25,33,26,32,24,31)(22,27,28,35,29,36,30,34)(5,7,9,16)(6,11,12,19)(8,17,10,15)(13,20,18,14)(22,28)(23,31)(24,25)(29,30)(32,33)(34,35)(1,3,4,2)(6,12)(11,19)(13,18)(14,20)(22,29)(23,32)(28,30)(31,33)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.