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