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