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