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