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