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