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)(19,26)(20,24)(21,29)(22,23)(25,30)(27,28)(31,32)(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)(18,20)(21,27)(22,24)(23,26)(25,28)(29,32)(30,31)(33,35,39,44)(34,40,43,38)(36,45,42,48)(37,47,41,46)(2,5)(3,4)(6,14)(15,16)(18,23)(20,26)(21,30)(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)(17,20,22,26)(18,24,23,19)(21,28,30,32)(25,31,29,27)(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)(17,18)(19,20)(21,25)(22,23)(24,26)(27,28)(29,30)(31,32)(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)(17,21,22,30)(18,25,23,29)(19,27,24,31)(20,28,26,32)(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.