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