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