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