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