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