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