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