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