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)(15,20)(16,22)(17,23)(18,32)(19,24)(21,29)(25,34)(26,35)(27,42)(28,36)(30,37)(31,38)(33,39)(40,43)(41,44) involution — undirected(1,2,4,3)(5,7)(6,9)(8,11)(10,12)(13,15,19,28)(14,20,24,36)(16,25,30,40)(17,26,18,27)(21,33,38,44)(22,34,37,43)(23,35,32,42)(29,39,31,41)(1,3,4,2)(7,11)(9,12)(13,16)(14,21)(15,25)(17,29)(18,31)(19,30)(20,33)(22,32)(23,37)(24,38)(26,39)(27,41)(28,40)(34,42)(35,43)(36,44)(7,11)(9,12)(13,16)(14,22)(15,25)(17,31)(18,29)(19,30)(20,34)(21,32)(23,38)(24,37)(26,41)(27,39)(28,40)(33,42)(35,44)(36,43) involution — undirected(6,10)(9,12)(13,17,19,18)(14,23,24,32)(15,26,28,27)(16,29,30,31)(20,35,36,42)(21,37,38,22)(25,39,40,41)(33,43,44,34)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.