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