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