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