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