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