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