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