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