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