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