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