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