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