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