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