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