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