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