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)(23,27,31,32)(25,28,30,33)(29,35,36,34)(5,7,9,8)(6,10,11,12)(13,15,16,19)(14,17,18,20)(22,26)(23,29)(25,30)(27,34)(31,36)(32,35)(2,4)(21,23,30,36,24,31,25,29)(22,27,33,34,26,32,28,35)(5,8,9,7)(6,10,11,12)(14,18)(17,20)(22,26)(27,32)(28,33)(34,35)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.