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