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