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)(23,29)(24,32)(27,31)(30,35)(33,36)(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)(24,28,32,34)(30,36,33,35)(1,2,4,3)(21,23,22,27,25,31,26,29)(24,33,28,36,32,30,34,35)(5,8,9,17)(6,11,12,16)(7,14,15,20)(10,18,13,19)(21,24)(22,28)(23,30)(25,32)(26,34)(27,35)(29,36)(31,33)(1,3,4,2)(7,15)(10,13)(14,20)(18,19)(24,32)(28,34)(30,33)(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.