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