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