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