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