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