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