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