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