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