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