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