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