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