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