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)(33,34)(35,38)(36,43)(37,40)(39,44)(41,45)(42,48)(46,47)(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)(35,41)(38,45)(42,47)(46,48)(3,5)(6,8)(11,14)(12,15)(21,29)(22,31)(25,32)(26,30)(33,34,37,40)(35,38,41,45)(36,39,44,43)(42,46,47,48)(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)(35,38)(36,39)(37,40)(41,45)(42,46)(43,44)(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)(34,38)(36,42)(37,41)(39,46)(40,45)(43,48)(44,47)(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)(34,39,40,43)(35,42,41,47)(38,46,45,48)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.