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