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