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