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