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