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