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