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)(29,30,35,33)(31,36,32,38)(34,41,42,37)(39,44,40,43)(7,11)(10,12)(14,19)(15,20)(17,26)(24,28)(29,31,35,32)(30,36,33,38)(34,40,42,39)(37,44,41,43)(5,7)(6,10)(8,12)(9,11)(13,15)(14,16)(17,27)(18,20)(19,22)(21,28)(23,26)(24,25)(29,32,35,31)(30,36,33,38)(34,40,42,39)(37,43,41,44)(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)(29,33,35,30)(31,38,32,36)(34,41,42,37)(39,44,40,43)(5,8,9,6)(7,12,11,10)(13,17)(14,21)(15,23)(16,24)(18,26)(19,25)(20,27)(22,28)(29,34)(30,37)(31,39)(32,40)(33,41)(35,42)(36,43)(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.