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