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