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