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