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