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