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