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