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