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