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