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