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