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