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