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