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