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