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