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