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