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