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