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