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