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