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