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