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)(19,25)(20,30)(21,23)(22,26)(24,27)(28,32)(29,31)(34,38)(35,41)(36,44)(45,48)(1,3)(2,7)(4,10)(5,11)(6,9)(8,14)(12,15)(13,16)(17,19,24,21)(18,25,27,23)(20,29,22,28)(26,32,30,31)(33,34,39,38)(35,42,41,37)(36,40,44,46)(43,48,47,45)(3,9)(4,12)(7,11)(8,13)(17,20,24,22)(18,26,27,30)(19,28,21,29)(23,32,25,31)(33,35)(34,37)(36,43)(38,42)(39,41)(40,45)(44,47)(46,48)(1,4,6,12)(2,8,5,13)(3,10,9,15)(7,14,11,16)(17,21,24,19)(18,23,27,25)(20,28,22,29)(26,31,30,32)(33,36)(34,40)(35,43)(37,45)(38,46)(39,44)(41,47)(42,48)(1,5,6,2)(3,11,9,7)(4,8,12,13)(10,14,15,16)(17,22,24,20)(18,26,27,30)(19,29,21,28)(23,32,25,31)(33,37,39,42)(34,41,38,35)(36,45,44,48)(40,47,46,43)(1,3)(2,7)(4,10)(5,11)(6,9)(8,14)(12,15)(13,16)(17,23)(18,19)(20,31)(21,27)(22,32)(24,25)(26,29)(28,30)(33,38,39,34)(35,42,41,37)(36,46,44,40)(43,48,47,45)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.