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