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