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