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