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