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