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