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