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