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