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