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)(33,34)(35,42)(36,44)(37,40)(38,39)(41,46)(43,47)(45,48)(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)(33,35,39,37)(34,40,38,42)(36,43,46,45)(41,47,44,48)(18,20)(19,24)(25,28)(27,32)(33,36,39,46)(34,41,38,44)(35,43,37,45)(40,47,42,48)(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)(33,36)(34,41)(35,43)(37,45)(38,44)(39,46)(40,47)(42,48)(1,4,6,12)(2,7,3,9)(5,13,14,11)(8,16,10,15)(17,21,23,26)(18,24,20,19)(22,30,31,29)(25,27,28,32)(33,37,39,35)(34,40,38,42)(36,45,46,43)(41,47,44,48)(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)(33,38,39,34)(35,42,37,40)(36,44,46,41)(43,48,45,47)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.