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