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