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