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