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