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