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