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