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