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