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