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