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)(12,13,14,16)(17,18)(19,28)(20,26)(21,27)(22,24)(23,25)(29,30)(31,32)(35,42)(37,45)(39,40)(41,44)(1,3)(2,7)(4,12)(5,13)(6,11)(8,10)(9,14)(15,16)(17,19,23,22)(18,24,25,28)(20,27,30,31)(21,26,32,29)(33,34)(35,40)(36,38)(37,41)(39,42)(43,47)(44,45)(46,48)(3,11)(7,8)(12,14)(13,16)(18,25)(20,30)(24,28)(27,31)(33,35,38,42)(34,39,36,40)(37,43,45,48)(41,46,44,47)(1,3)(2,8)(4,14)(5,13)(6,11)(7,10)(9,12)(15,16)(17,20,23,30)(18,26,25,29)(19,27,22,31)(21,24,32,28)(33,35)(34,40)(36,39)(37,43)(38,42)(41,47)(44,46)(45,48)(1,4)(2,5)(3,12)(6,9)(7,13)(8,16)(10,15)(11,14)(17,21,23,32)(18,27,25,31)(19,29,22,26)(20,28,30,24)(33,36,38,34)(35,40,42,39)(37,41,45,44)(43,46,48,47)(1,5)(2,9)(3,13)(4,10)(6,15)(7,14)(8,12)(11,16)(17,22,23,19)(18,28,25,24)(20,31,30,27)(21,29,32,26)(33,37)(34,41)(35,43)(36,44)(38,45)(39,46)(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.