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