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