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