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