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