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