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