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