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