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