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