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