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