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