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