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