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