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