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