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