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