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