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