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