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