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