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