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