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