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