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