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