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