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