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