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