One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,11,14,16)(4,9)(5,8)(6,10)(7,12,15,13)(17,18)(19,27,29,23)(20,31,34,24)(21,35)(22,25)(26,38)(28,45)(30,40,36,43)(32,41)(33,42,37,44)(39,46)(47,48)(1,3)(2,7)(4,13)(5,12)(6,14)(8,11)(9,16)(10,15)(17,19)(18,23)(20,32)(21,36)(22,29)(24,41)(25,27)(26,43)(28,33)(30,38)(31,48)(34,47)(35,40)(37,46)(39,42)(44,45) involution — undirected(2,8)(4,5)(7,11)(9,10)(12,13)(15,16)(17,20)(18,24)(19,28)(21,37)(22,34)(23,39)(25,31)(26,44)(27,45)(29,46)(30,47)(32,36)(33,38)(35,42)(40,48)(41,43) involution — undirectedA 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.