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