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