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