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