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