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