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