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