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