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