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