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