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