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