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