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