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