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