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