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