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