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