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)(22,27)(25,28)(29,34)(30,35)(31,36)(32,33)(5,7)(6,10)(8,15)(9,14)(11,19)(12,18)(13,16)(17,20)(21,22,28,36,26,31,25,27)(23,29,33,35,24,30,32,34)(2,4)(5,8)(6,11)(7,13)(9,16)(10,17)(12,20)(14,15)(18,19)(21,23)(22,29)(24,26)(25,32)(27,34)(28,33)(30,31)(35,36) involution — undirected(8,16)(11,20)(13,15)(17,19)(21,24,26,23)(22,30,31,29)(25,33,28,32)(27,35,36,34)(7,14)(10,18)(13,15)(17,19)(23,24)(29,30)(32,33)(34,35) 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.