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