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