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