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