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