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