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