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