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