One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,4)(7,11)(10,12)(13,14,19,32,18,23,17,22)(15,24,26,20,28,34,27,35)(16,21,29,36,30,37,31,38)(25,39,42,33,41,44,40,43)(5,6)(7,10)(8,9)(11,12)(13,15)(14,20)(16,25)(17,26)(18,28)(19,27)(21,33)(22,34)(23,35)(24,32)(29,40)(30,41)(31,42)(36,39)(37,43)(38,44) involution — undirected(2,4)(6,9)(10,12)(13,16)(14,21)(15,25)(17,31)(18,30)(19,29)(20,33)(22,38)(23,37)(24,39)(26,42)(27,40)(28,41)(32,36)(34,44)(35,43) involution — undirected(6,9)(10,12)(13,17,18,19)(14,22,23,32)(15,26,28,27)(16,29,30,31)(20,34,35,24)(21,36,37,38)(25,40,41,42)(33,39,43,44)(5,7,8,11)(6,10,9,12)(16,30)(21,37)(25,41)(29,31)(33,43)(36,38)(39,44)(40,42)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.