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