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)(19,27,28,24)(20,29,30,25)(22,26,32,31)(35,37)(39,42)(43,44)(46,47)(3,9)(7,10)(11,13)(15,16)(17,19,23,28)(18,24,21,27)(20,26,30,31)(22,25,32,29)(33,34)(35,42)(36,40)(37,39)(38,41)(43,47)(44,46)(45,48)(1,3)(2,7)(4,10)(5,11)(6,9)(8,15)(12,16)(13,14)(17,18,23,21)(19,24,28,27)(20,25,30,29)(22,26,32,31)(33,35,38,37)(34,39,41,42)(36,44,45,43)(40,47,48,46)(1,4,6,2)(3,10,9,7)(5,12,14,8)(11,16,13,15)(17,20,23,30)(18,25,21,29)(19,26,28,31)(22,24,32,27)(33,36,38,45)(34,40,41,48)(35,43,37,44)(39,46,42,47)(1,3)(2,7)(4,10)(5,13)(6,9)(8,16)(11,14)(12,15)(17,21,23,18)(19,24,28,27)(20,29,30,25)(22,26,32,31)(33,34)(35,39)(36,40)(37,42)(38,41)(43,46)(44,47)(45,48)(1,5)(2,8)(3,11)(4,12)(6,14)(7,15)(9,13)(10,16)(17,22,23,32)(18,26,21,31)(19,25,28,29)(20,24,30,27)(33,37,38,35)(34,39,41,42)(36,44,45,43)(40,46,48,47)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.