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