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