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