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