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