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