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