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)(14,16)(15,19)(21,22,26,29,24,27,25,30)(23,31,34,28,32,36,33,35)(5,7,8,11)(6,9,10,12)(13,14,17,16)(15,20,19,18)(22,27)(28,35)(29,30)(31,36)(2,4)(7,11)(9,12)(13,15,17,19)(14,18,16,20)(21,23,24,32)(22,28,27,35)(25,34,26,33)(29,31,30,36)(13,16,17,14)(15,18,19,20)(22,29)(23,32)(25,26)(27,30)(28,36)(31,35)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.