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