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