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