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