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