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