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