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)(15,19,22,26)(16,23,25,20)(21,28,24,27)(29,30)(31,36)(32,33)(34,35)(37,42)(38,43)(39,44)(40,41)(5,7,10,9)(6,11,12,8)(14,18)(19,26)(20,23)(27,28)(30,35)(31,38)(33,37)(39,41)(5,8)(6,7)(9,12)(10,11)(13,15,17,22)(14,19,18,26)(16,24,25,21)(20,28,23,27)(29,31,34,38)(30,36,35,43)(32,41,42,39)(33,40,37,44)(1,2,3,4)(5,9,10,7)(6,11,12,8)(13,16)(14,20)(15,21)(17,25)(18,23)(19,27)(22,24)(26,28)(29,32)(30,37)(31,39)(33,35)(34,42)(36,40)(38,41)(43,44)(13,14)(15,19)(16,20)(17,18)(21,27)(22,26)(23,25)(24,28)(29,33,34,37)(30,32,35,42)(31,40,38,44)(36,41,43,39)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.