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