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