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