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