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