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