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