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