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