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