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