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