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