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