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