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