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