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