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)(13,14,17,19)(15,16,20,18)(21,22)(23,28)(24,31)(25,27)(26,34)(29,33)(30,36)(32,35)(5,7)(6,9)(8,12)(10,11)(13,14)(15,16)(17,19)(18,20)(21,23,27,26)(22,28,25,34)(24,30,33,32)(29,35,31,36)(6,10)(9,11)(13,15,17,20)(14,18,19,16)(21,24)(22,29)(23,30)(25,31)(26,32)(27,33)(28,35)(34,36)(1,2)(3,4)(5,7)(6,11)(8,12)(9,10)(13,14)(15,18)(16,20)(17,19)(21,25,27,22)(23,28,26,34)(24,31,33,29)(30,35,32,36)(5,6)(7,9)(8,10)(11,12)(13,16,17,18)(14,15,19,20)(21,26,27,23)(22,28,25,34)(24,32,33,30)(29,35,31,36)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.