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