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