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