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