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