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